SB20260529115 - Improper resource shutdown or release in Linux kernel hw mlx4 driver
Published: May 29, 2026
Security Bulletin ID
SB20260529115
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Improper resource shutdown or release (CVE-ID: CVE-2026-46178)
CWE-ID: CWE-404 - Improper Resource Shutdown or Release
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local user to cause a denial of service.
The vulnerability exists due to improper resource shutdown or release in mlx4_ib_create_srq() when handling error conditions during SRQ creation. A local user can trigger an error during SRQ creation to cause a denial of service.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/0dbd619716fb07b7de1acd64fec673ee6e1adde7
- https://git.kernel.org/stable/c/388617f44d81604a760742a0b5de292d411e63e3
- https://git.kernel.org/stable/c/c54c7e4cb679c0aaa1cb489b9c3f2cd98e63a44c
- https://git.kernel.org/stable/c/c5dc30da990045105c9762248d23076223e7878a
- https://git.kernel.org/stable/c/e01b8c9286c470b71a38acd320106f2c4f2826a1